html{
    background-color: #f8f6f7;
}
.mainContainer{
    margin-top: 0.45rem;
}
.holder{
    width: 3.35rem;
    margin: 0 auto;
}
.holder .mark{
    display: block;
    padding-top: 0.15rem;
}
.font_length{
    display: block;
    padding-top: 0.1rem;
    line-height: 0.2rem;
}